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[Bug ipa/60243] IPA is slow on large cgraph tree
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 03 Mar 2014 08:44:07 +0000
- Subject: [Bug ipa/60243] IPA is slow on large cgraph tree
- Auto-submitted: auto-generated
- References: <bug-60243-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60243
--- Comment #12 from rguenther at suse dot de <rguenther at suse dot de> ---
On Sun, 2 Mar 2014, hubicka at gcc dot gnu.org wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60243
>
> --- Comment #11 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
> Created attachment 32244
> --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32244&action=edit
> WIP patch
>
> this patch cuts some redundant work on estimating size of functions that will
> be too large to be inlined anyway. Currently inliner spends a lot of time
> compuing properties of these functions (since small and inlinable functions are
> also fast to estimate)
>
> The patch doesn't really save much time building libreoffice/firefox. I will
> experiment with it a bit more.
Does it help PR60315? That one is even more an excessive example.